Home / 76,697.44-114,898.64-47,028.72

Finding the Fourth Proportional to 76,697.44, 114,898.64 and 47,028.72

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Solution

The fourth proportional to 76,697.44, 114,898.64 and 47,028.72 is: 70,452.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,697.44 : 114,898.64 = 47,028.72 : x
  2. Step 2: Convert to fraction form
    76,697.44/114,898.64 = 47,028.72/x
  3. Step 3: Cross multiply
    76,697.44x = 114,898.64 × 47,028.72
  4. Step 4: Simplify right side
    76,697.44x = 5,403,535,968.94
  5. Step 5: Solve for x
    x = 5,403,535,968.94/76,697.44
  6. Step 6: Final answer
    x = 70,452.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.